Home / 21,544.05-29,730.27-11,983.92

Finding the Fourth Proportional to 21,544.05, 29,730.27 and 11,983.92

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Solution

The fourth proportional to 21,544.05, 29,730.27 and 11,983.92 is: 16,537.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,544.05 : 29,730.27 = 11,983.92 : x
  2. Step 2: Convert to fraction form
    21,544.05/29,730.27 = 11,983.92/x
  3. Step 3: Cross multiply
    21,544.05x = 29,730.27 × 11,983.92
  4. Step 4: Simplify right side
    21,544.05x = 356,285,177.26
  5. Step 5: Solve for x
    x = 356,285,177.26/21,544.05
  6. Step 6: Final answer
    x = 16,537.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.